CN108179815B

CN108179815B - Bidirectional multiple large-span staggered connection structure with four corner cylinders

Info

Publication number: CN108179815B
Application number: CN201810152436.0A
Authority: CN
Inventors: 张伟; 严力军; 周晓光; 刘俊
Original assignee: Hong Kong Huayi Design Consultants Shenzhen Ltd
Current assignee: Hong Kong Huayi Design Consultants Shenzhen Ltd
Priority date: 2018-02-15
Filing date: 2018-02-15
Publication date: 2022-03-22
Anticipated expiration: 2038-02-15
Also published as: CN108179815A

Abstract

The invention relates to a four-corner cylinder bidirectional multiple large-span staggered connection structure, which comprises reinforced concrete cylinders, frame columns and the like, wherein the reinforced concrete cylinders and the frame columns which are positioned at four corners of a tower are arranged in a bidirectional symmetrical manner, the tower starts from a starting floor, a plurality of floors are cancelled to span the middle, a front vertical surface forms a front vertical surface hollow area, the reinforced concrete core barrel and the frame column which are arranged on two side spans above the hollow area of the front vertical surface are provided with conversion beams, the support beams on the conversion beams are provided with support columns, only a plurality of floors are arranged on the side spans, so that the side vertical surface of the tower forms the hollow area of the side vertical surface, the reinforced concrete core tube and the frame column which are spanned at two sides above the hollow area of the side elevation are provided with transfer beams, a plurality of floors are arranged on the floors above the hollow area of the side elevation, the vertical surface of the tower floor forms a group of floors at intervals, and another hollow area of the upright surface exists, and the front vertical surface hollow areas and the side vertical surface hollow areas are respectively and alternately arranged along the height direction of the floor layer in sequence. The invention has novel and unique vertical surface model and is suitable for high-rise and super high-rise buildings.

Description

Bidirectional multiple large-span staggered connection structure with four corner cylinders

Technical Field

The invention relates to a novel connected structure for high-rise and super high-rise buildings, in particular to a four-corner-tube bidirectional multiple large-span staggered connected structure, and belongs to the innovative technology in the field of large-span and connected structures.

Background

The integrated structure is used as a complex structure system and is more and more widely applied in practical engineering cases in recent years, the common integrated structure is that 2 independent tower buildings start from a certain floor, and the upper floors are combined into one, so that a hollow space is formed in the building facade model, and because the upper connected floors establish connection in the aspects of building plane arrangement and use functions, the possibility of diversified arrangement of the building facade model and plane functions is enriched. Along with the increasing diversification of building creation means, the conjoined structure is formed by connecting 2 tower buildings into a whole in a single direction and gradually develops towards a trend that multiple towers are connected in a two-way manner, so that a hollow area appears on one side of a building elevation and evolves towards a front vertical surface and a side vertical surface, and meanwhile, the hollow area is not simply positioned in the same floor height range along the tower height direction, but is staggered and alternately arranged along the front vertical surface and the side vertical surface along the floor height direction, so that the building elevation shape presents a three-dimensional space change condition. The novel connected structure system derived on the basis of the traditional connected structure has more new problems, the original technical result can not be directly applied, and more technical blank fields need to be deeply researched.

Disclosure of Invention

The invention aims to provide a quadrangular barrel bidirectional multi-large-span staggered connection structure. The invention aims at the problems that bidirectional multiple large spans exist in high-rise and super high-rise buildings, and the floors where transfer beams supporting the large spans along two directions of the buildings are not located on one floor, so that the staggered relation of the upper and lower floors is formed, and the buildings are alternately arranged in a vertically staggered manner in a hollow area formed by the front and side vertical surfaces.

The technical scheme of the invention is as follows: the invention relates to a rectangular two-way multi-large-span staggered connection structure of a quadrangular barrel, which is arranged in a plane and is rectangular, and comprises a reinforced concrete barrel, a frame column, a conversion beam, a frame beam, beam upper support columns, reinforced concrete barrels and frame columns which are positioned at four corners of a tower, wherein the reinforced concrete barrel and the frame column are symmetrically arranged in two directions, the tower cancels a plurality of floors in the middle from the initial floor in a certain direction, the front vertical surface forms a front vertical surface hollow area, the reinforced concrete barrel and the frame column which span on two sides above the front vertical surface hollow area are provided with the conversion beam, the support beam upper support column on the conversion beam is provided with a plurality of floors only on the side span, no middle span floor is provided, so that the side vertical surface of the tower forms a side vertical surface hollow area, the conversion beam is sequentially arranged on the reinforced concrete barrel and the frame column which span on two sides above the side vertical surface hollow area, and a plurality of floors above the side vertical surface hollow area are provided, the tower vertical surfaces are regularly arranged, and the vertical surface hollow areas and the side vertical surface hollow areas are sequentially and alternately arranged along the height direction of the floors respectively to form a staggered relation; the inner sides of the first tower and the second tower are respectively provided with an elevator shaft barrel, and an elevator shaft surrounded by the elevator shaft barrels is used as a vertical traffic space of the towers.

Compared with the prior art, the invention has the following benefits:

1. on the premise of meeting the requirements of the functions of the facade modeling and the plane layout of the novel building, the structural system of the building is ensured to meet the requirements of earthquake resistance and economy.

2. In the aspect of the composition of a structural system, the reinforced concrete cylinders which are vertically and continuously arranged are arranged at the four corners of a tower by utilizing the stair partition walls under the objective condition that each layer of the four-corner stairwell is arranged, so that a main lateral force resisting system and a vertical force transmission component are formed, and the influence on the building function is reduced to the maximum extent.

3. The transfer beam of the middle and lower floors and the section form of the frame column supported on the two sides of the transfer beam are designed into a steel reinforced concrete structure, the excellent mechanical property of the combined structure is fully utilized, the important stressed member is ensured to have enough bearing capacity and ductility, and the section size is controlled to a certain extent and is not suitable to be overlarge.

4. The beam upper supporting column is positioned on the conversion beam for supporting, the square steel tube concrete column can be adopted in the column section form aiming at the bottom and the top floor with larger stress, the reasonability and the feasibility of the beam column node are fully considered, the force transmission is direct, the construction requirement is convenient, and the construction difficulty is reduced to the maximum extent.

The invention is suitable for high-rise and super high-rise buildings, is particularly suitable for two-way multi-major span engineering projects with different floors on which 2 direction transfer beams are positioned and staggered and alternately arranged in hollow areas of front and side vertical surfaces, and has wide application range and development space.

Drawings

FIG. 1 is a schematic view of the vertical arrangement of the vertical structure of the present invention;

fig. 2 is a schematic view of a left side elevation structure elevation layout in embodiment 1 of the present invention;

fig. 3 is a schematic view of the arrangement of the right side elevation structure elevation in embodiment 1 of the present invention;

fig. 4 is a sectional view taken along line a-a in fig. 1, which is a schematic plan view of a floor structure where transfer beams are horizontally arranged on both sides in a straddling manner in accordance with embodiment 1 of the present invention;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 1; the plane schematic diagram of the horizontal mid-span missing floor structure applied to the actual engineering in the embodiment 1 of the invention;

fig. 6 is a cross-sectional view taken along line C-C in fig. 1, which is a schematic plan view of a vertical mid-span missing floor structure applied to practical engineering in embodiment 1 of the present invention;

fig. 7 is a cross-sectional view of D-D in fig. 1, which is a schematic plan view of a structure in which only the right vertical side span is provided with the transfer beam according to embodiment 1 of the present invention.

Detailed Description

The following detailed description of embodiments of the invention is provided in connection with the accompanying drawings.

The invention relates to a novel conjoined structure used in high-rise and super high-rise buildings, as shown in figure 1, a four-corner cylinder bidirectional multiple large-span staggered conjoined structure is rectangular in plane arrangement and comprises a reinforced concrete cylinder 1, a frame column 2, a transfer beam 3, a frame beam 4, beam upper support columns 5, the reinforced concrete cylinder 1 and the frame column 2 which are positioned at four corners of a tower are bilaterally and symmetrically arranged, the tower is provided with the transfer beam 3 on the reinforced concrete cylinder 1 and the frame column 2 which are striden at two sides above the hollow area 6 of the front vertical surface from a starting floor 12, a plurality of floors are cancelled in a certain direction, the front vertical surface forms a hollow area 6 of the front vertical surface, the transfer beam 5 is arranged on the reinforced concrete cylinder 1 and the frame column 2 which are striden at two sides above the hollow area 6 of the front vertical surface, the support beam upper support column 5 on the transfer beam 3 is only provided with a plurality of floors at the side stridens, no floors are striden at the middle floors, so that the side vertical surface of the tower forms a hollow area 7 of the side vertical surface, the reinforced concrete cylinder 1 and the frame column 2 which are striden at two sides above the hollow area 7 of the side vertical surface are sequentially provided with the transfer beam 3, the floors above the side vertical face hollow area 7 are provided with a plurality of floors, the tower vertical face is provided with another vertical face hollow area 6 at intervals, the floors are regularly arranged, and the vertical face hollow areas 6 and the side vertical face hollow areas 7 are sequentially and alternately arranged along the height direction of the floors respectively to form a staggered relation. An elevator shaft cylinder 8 is respectively arranged on the inner sides of the first tower 10 and the second tower 11, and an elevator shaft 9 surrounded by the elevator shaft cylinders 8 is used as a vertical traffic space of the towers.

In this embodiment 1, the tower is completely cancelled along the entire span direction by cancelling several floors in the middle cross-region in a certain direction, so that the group of floor planes is arranged into 2 independent towers, namely, a first tower 10 and a second tower 11. The plane arrangement of the next upper group of floors is also 2 independent towers, namely a third tower 13 and a fourth tower 14, which sequentially circulate along the height direction of the floors according to the rule, and the plane arrangement forms of the upper and lower 2 groups of adjacent floors are respectively in the horizontal direction and the vertical direction and are mutually and vertically arranged.

In this embodiment 1, the transfer beam 3 that is located the hollow region top only sets up respectively in the range of tower both sides sidespan for support upper portion both sides sidespan floor, the regional floor of striding is reserved in the middle of the floor of transfer beam 3 place, and this layer does not have the floor and lacks.

In example 1, except for the starting floor 12, the upper and lower floors of the upright surface hollow region 6 on the upright surface and the side surface hollow region 7 on the side surface of the building are the floors on which the transfer beam 3 is located.

In this embodiment 1, the cross section of the transfer beam 3 is a section steel concrete beam or a reinforced concrete beam, and the cross section of the corresponding frame column for supporting is a section steel concrete column or a reinforced concrete column.

In this embodiment 1, the beam upper supporting columns 5 are arranged from the upper side of the transfer beam 3, and the cross-sectional forms of the different floor columns can be square steel tube concrete columns or reinforced concrete columns according to the stress requirements.

In this embodiment 1, the reinforced concrete cylinder 1, the frame columns 2 and the elevator shaft cylinder 8 located only in the four corner regions are arranged on each floor, and the other region frame columns 2 or the beam upper support columns 5 are arranged on only part of the floors or supported by the transfer beam 3.

In the present embodiment 1, the transfer beam 3 is installed only on the side span perpendicular to the tower at the center of one of the uppermost group of floors, that is, above the side-elevation hollow area 7, and the floor is additionally installed in the area where the transfer beam 3 is installed, extending to the roof layer, so that the third tower 13 and the fourth tower 14 are formed by arranging the tower planes above the floor where the group of floors is additionally installed, and connected to each other at one end.

Fig. 2 is a schematic view of a left side elevation structure in elevation. In the figure, the side elevation hollow area 7 and the front elevation hollow area 6 shown in figure 1 are in a spatial relationship of staggered and alternate arrangement of an upper floor and a lower floor, and in the range of the height of the side bay setting floor, the floor of the middle bay area is absent, so that 2 independent towers, namely a first tower 6 and a second tower 7, are formed, namely the front elevation hollow area 6 in figure 1 is corresponding. On the contrary, the 2 independent towers formed in the height range of the hollow area 7 of the side elevation are the third tower 13 and the fourth tower 14, which are consistent with the floor range of the side span in fig. 1 and are in a corresponding relationship with each other.

Fig. 3 is a schematic view of the right side elevation structure in elevation. Wherein the lower floors are exactly as in figure 2, except for a few floors near the top of the roof. Compared with the figure 2, only the top group of floors starts from one floor in the middle of the top group of floors, namely the side elevation hollow area 7, the transfer beam 3 is arranged on the side span which is vertical to one side of the tower, partial floors are additionally arranged in the area where the transfer beam 3 is arranged and extend to the roof layer, and the third tower 13 and the fourth tower 14 are formed by arranging the planes of the towers above the additional floors in the right side end part.

Fig. 4 is a floor structure plan layout diagram where transfer beams are horizontally arranged on both side spans in practical engineering, that is, a section a-a in fig. 1, in example 1, the invention is applied to a certain practical engineering, the seismic fortification intensity is 7 degrees, and a first group of earthquake groups and a field class ii are designed. The engineering is characterized in that 2 underground layers, 29 above ground layers and an above ground structure main body have the total height of 148.8m, and a structure system adopts a four-corner cylinder bidirectional multi-large-span staggered connection structure. Based on the needs of the elevation modeling of a special building and the building functions of each floor, 2-4 conversion beams 3 are respectively arranged on 10, 18, 22 and 26 floors of a tower part along the height direction, the span of each conversion beam 3 is 13.1m, 15.8m and 22.5m, 1-3 beam upper support columns 5 are supported on the conversion beam, the number of the support floors above the conversion layer is 2, 4 and 8 floors respectively, and a local frame support frame is formed. 4 groups of floors are formed along the height direction, the upper and lower adjacent groups of floors are respectively positioned in the horizontal and vertical side span areas, the upper and lower adjacent groups of floors are arranged on the plane and are respectively positioned in the horizontal and vertical two side span areas, and the two groups of floors are mutually vertical. In the structural system, reinforced concrete cylinders 1 and frame columns 2 which are only positioned at four corners are communicated with the reinforced concrete cylinders 1 which are close to the middle span and used for an elevator shaft up and down, and other floor areas are realized in a beam-column lifting mode. An upright surface hollow area 6 and a side surface hollow area 7 are respectively formed on the front, the left and the right upright surfaces, and the upright surface hollow area 6 and the side surface hollow area 7 are alternately arranged in a vertical dislocation way along the height direction.

The floor is the floor where the transfer beam 3 is located and is located at 18 floors, and the floor is complete. The number of the conversion beams 3 arranged along the horizontal direction is four, the two sides of the conversion beams are supported on the reinforced concrete cylinder 3 and the frame column 2 which are arranged at four corners, and the number of the side-span conversion beams 3 at the two sides and the number of the supporting beam support columns on the conversion beams 3 which are close to the inner side are respectively 3 and 2. The cross section of the transfer beam 3 and the frame columns with the two sides playing a supporting role on the floor and the floors below adopt steel reinforced concrete, and the cross section of the upper supporting column 5 of the beam on the floor adopts a square steel tube concrete column. The floor is a starting floor of a floor horizontally arranged along the side span, the starting floor is a starting floor which is horizontally lacked in the middle span area, and from the partial floors above the floor, the floors in the middle span area are lacked, and a side elevation hollow area 7 is formed on the arrangement schematic diagram of the left side elevation structure elevation in fig. 2.

Fig. 5 is a schematic plan view of a horizontal mid-span missing floor structure applied to practical engineering in embodiment 1, i.e., a section B-B in fig. 1. The floor is one of typical standard floors of the tower, the floor is missing from the horizontal to the middle span floor, the floor is within the range of a hollow area 7 of a side vertical surface in figure 2, the floor arrangement form is 2 independent towers, namely, a floor area between a left reinforced concrete cylinder 1 and a right reinforced concrete cylinder 1 of a third tower 13 and a fourth tower 14 is provided with beam upper supporting columns 5 for supporting from a transfer beam 3. The stairwell 6 arranged in the reinforced concrete cylinders 3 positioned at four corners and the elevator shaft 9 formed by encircling the elevator shaft cylinder 8 are vertical traffic spaces of the tower.

Fig. 6 is a schematic plan view of a vertical mid-span missing floor structure in an actual project according to example 1. The floor is the second typical standard floor of the tower, i.e. the section C-C in fig. 1, which is missing vertically to the middle across the floor, and is the floor within the hollow area of the vertical face in fig. 1, and the plane layout is 2 independent towers, i.e. the first tower 10 and the second tower 11. The floor area between the reinforced concrete cylinders 1 at the upper side and the lower side in the 2 independent towers is supported by beam upper support columns 5 arranged from the conversion beams 3. The stairwell 6 arranged in the reinforced concrete barrel 1 positioned at four corners and the elevator shaft 9 formed by encircling the elevator shaft barrel 8 are vertical traffic spaces of the tower.

Fig. 7 is a schematic plan view of a structure in which only right-side vertical side spans are provided with transfer beams in embodiment 1, i.e., a section D-D in fig. 1. The floor is the third typical standard floor of a tower, and compared with the floor in fig. 5, the other areas are basically the same as the floor in fig. 5 except that the right side span is additionally provided with a part of the floor. The floor is formed by arranging the transfer beam 3 only on the side span vertical to the tower from the transfer beam 3 on one floor in the middle of the uppermost group of floors, namely above the hollow area 7 on the side vertical surface in fig. 3, adding partial floors in the area where the transfer beam 3 is located and extending to the roof layer, so that the first tower 10 and the second tower 11 are formed by arranging the planes of the towers above the added group of floors and are connected at one end part. 2 vertical transfer beams 3 are arranged between the reinforced concrete cylinders 1 on the upper side and the lower side of the right side span to support the upper floor.

Claims

1. The utility model provides a two-way multiple large-span dislocation disjunctor structure of four-angle cylinder, its characterized in that disjunctor structure plane arrangement is the rectangle, including reinforced concrete barrel (1), frame post (2), transfer beam (3), frame beam (4), roof beam pop-up post (5), be located the reinforced concrete barrel (1) and the frame post (2) two-way symmetrical arrangement in tower four corners, the tower begins from initial floor (12), cancel in a certain direction and stride a plurality of floors in the middle of, just stand to form just standing face hollow area (6), set up transfer beam (3) on reinforced concrete barrel (1) and frame post (2) that both sides were striden above just standing face hollow area (6), support beam pop-up post (5) on transfer beam (3), only set up a plurality of floors on the side stride, do not have the middle and stride the floor, make tower side facade form side hollow area (7), reinforced concrete barrel (1) and frame post (7) that both sides were striden above this side hollow area (7) in proper order are striden The transfer beam (3) is arranged on the frame column (2), a plurality of floors are arranged on the floors above the side vertical surface hollow area (7), the tower vertical surfaces form a group of floors at intervals, another vertical surface hollow area (6) is arranged regularly, and the vertical surface hollow areas (6) and the side vertical surface hollow areas (7) are sequentially and alternately arranged along the height direction of the floors respectively to form a staggered relation; an elevator shaft cylinder (8) is respectively arranged on the inner sides of the first tower (10) and the second tower (11), and an elevator shaft (9) surrounded by the elevator shaft cylinder (8) is used as a vertical traffic space of the towers.

2. The quadrangular barrel bidirectional multiple large-span staggered connection structure according to claim 1, wherein the tower is completely cancelled along the whole span direction by cancelling a plurality of floors in the middle span region in a certain direction, so that the group of floor planes are arranged into 2 independent towers, namely a first tower (10) and a second tower (11); the plane arrangement of the next upper group of floors is also 2 independent towers, namely a third tower (13) and a fourth tower (14), which sequentially circulate along the height direction of the floors according to the rule, and the plane arrangement forms of the upper and lower 2 groups of adjacent floors are respectively in the horizontal direction and the vertical direction and are mutually and vertically arranged.

3. The quadrangular barrel bidirectional multiple large-span staggered connection structure according to claim 1, wherein the transfer beams (3) above the hollow area are only respectively arranged in the side span ranges at two sides of a tower and are used for supporting the side span floors at two sides of the upper part, the floor in the middle of the floor where the transfer beam (3) is located is reserved, and no floor is lost in the floor.

4. The quadrangular barrel bidirectional multi-large-span staggered connection structure according to claim 1, wherein except for a starting floor (12), the upper and lower floors of a front vertical surface hollow area (6) on a front vertical surface and a side vertical surface hollow area (7) on a side vertical surface of a building are floors where the transfer beam (3) is located.

5. The quadrangular barrel bidirectional multi-large-span staggered connection structure according to any one of claims 1 to 4, characterized in that the cross section of the conversion beam (3) is in the form of a steel reinforced concrete beam or a reinforced concrete beam, and the cross section of the corresponding supporting frame column (2) is in the form of a steel reinforced concrete column or a reinforced concrete column.

6. The quadrangular barrel bidirectional multi-large-span staggered connection structure according to claim 5, wherein the beam upper supporting columns (5) are arranged from the transfer beam (3), and the section forms of different floor columns can adopt square steel tube concrete columns or reinforced concrete columns according to the stress requirements.

7. The quadrangular barrel bidirectional multi-large-span dislocation connected body structure according to claim 6, characterized in that the reinforced concrete barrel (1), the frame columns (2) and the elevator shaft barrel (8) which are only positioned in four corner areas are arranged on each floor, and the frame columns (2) or the beam upper supporting columns (5) in other areas are only arranged on partial floors or supported by the transfer beam (3).

8. The four-corner-tube bidirectional multi-large-span staggered connection structure according to claim 1 is characterized in that the transfer beam (3) is arranged on the side span perpendicular to the tower only from one floor in the middle of the uppermost group of floors, namely above the hollow area (7) of the side elevation, part of floors are additionally arranged in the area where the transfer beam (3) is arranged and extend to the roof layer, and the third tower (13) and the fourth tower (14) are formed by arranging the planes of the towers above the additional group of floors at one side end part.